Year	constant 2010 US$
1998	10970871261.3784
1999	10978153446.0338
2000	11108452535.7607
2001	11623146944.0832
2002	12104031209.3628
2003	12778673602.0806
2004	14000520156.0468
2005	15007542262.6788
2006	16636150845.2536
2007	18491287386.2159
2008	20220286085.8257
2009	20703511053.316
2010	21555006501.9506
2011	22941021326.3979
2012	24793162808.8427
2013	28319115734.7204
2014	29830429128.7386
2015	31106111833.5501
2016	32321456436.9311
2017	32862158647.5943
2018	33519115734.7204